def nagios(request):
if not getattr(settings, 'REDIS_MONITOR_ONLY_TRACK_TOTALS', False):
return HttpResponse(
'nagios only available in REDIS_MONITOR_ONLY_TRACK_TOTALS mode'
)
requests = get_instance('requests').get_totals()
sqlops = get_instance('sqlops').get_totals()
return render('django_redis_monitor/nagios.xml', {
'db_count': calculate_estimate(sqlops.get('hits', 0)),
'db_total_ms': calculate_estimate(int(int(sqlops.get('weight', 0)) / 1000.0)),
'request_count': calculate_estimate(requests.get('hits', 0)),
'request_total_ms': calculate_estimate(int(int(requests.get('weight', 0)) / 1000.0)),
})
def get_recent_hits_and_weights(
self, hours = 0, minutes = 0, seconds = 0
):
start = self._calculate_start(hours, minutes, seconds)
start = start.replace(
second = (start.second / 10) * 10, microsecond = 0
)
preloaded_hashes = {}
gathered = []
current = start
now = datetime.datetime.utcnow().replace(
second = (start.second / 10) * 10, microsecond = 0
)
while current < now:
hash, slot = self._hash_and_slot(current)
if hash not in preloaded_hashes:
preloaded_hashes[hash] = self.r.hgetall(hash)
hits = calculate_estimate(int(preloaded_hashes[hash].get(slot, 0)))
weight = calculate_estimate(int(preloaded_hashes[hash].get(slot + 'w', 0)))
gathered.append((current, hits, weight))
current += datetime.timedelta(seconds = 10)
return gathered